Finding the Fourth Proportional to 2,136,799.44, 2,948,671.20 and 1,169,744.40
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Solution
The fourth proportional to 2,136,799.44, 2,948,671.20 and 1,169,744.40 is: 1,614,185.95
Step by Step Solution
- Step 1: Write the proportion equation
2,136,799.44 : 2,948,671.20 = 1,169,744.40 : x - Step 2: Convert to fraction form
2,136,799.44/2,948,671.20 = 1,169,744.40/x - Step 3: Cross multiply
2,136,799.44x = 2,948,671.20 × 1,169,744.40 - Step 4: Simplify right side
2,136,799.44x = 3,449,191,623,641.28 - Step 5: Solve for x
x = 3,449,191,623,641.28/2,136,799.44 - Step 6: Final answer
x = 1,614,185.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.